Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.322946E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T18:05:59+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51736
    NORAD ID 51736
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69139
    NORAD ID 69139
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3447 STARLINK-37659
    Time of Closest Approach 2026-09-12T01:52:54+0000
    Collision Probability (Pc) 5.322946E-6
    Conjunction Distance (km) 1.539 km
    Relative Speed (km/s) 11.879 km/s
    Conjunction Risk Parameters R (Radial): 1.376 | I (In-track): 0.44 | C (Cross-track): 0.531
    Collision Risk Index (CRI) 0.5
    X Position (km) 719.95 719.309
    Position Y (km) -4039.909 -4038.745
    Position Z (km) 5473.326 5472.551
    Velocity X (km/s) 7.517 -0.541
    Velocity Y (km/s) 1.335 -6.165
    Velocity Z (km/s) -0.004 -4.468

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3447 STARLINK-37659
    Semimajor Axis (a) 6848.894 km 6843.625 km
    Eccentricity (e) 0.000143 0.000175
    Inclination (i) 53.1591° 97.2823°
    RAAN 197.1128° 89.1607°
    Perigee Argument 96.0661° 356.3051°
    Mean Anomaly (M) 264.0504° 3.8179°
    Apogee 471.738 km 466.683 km
    Perigee 469.776 km 464.293 km
    Orbit Epoch 2026-09-10T13:28:20+0000 2026-09-10T22:42:37+0000

    STARLINK-3447 & STARLINK-37659 Collision Probability (Pc) Trend

    STARLINK-3447 & STARLINK-37659 Collision Probability (Pc) TrendNot Available

    STARLINK-3447 & STARLINK-37659 Miss Distance (Miss Distance) Trend

    STARLINK-3447 & STARLINK-37659 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3447Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37659Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3447Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37659Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3447

    No nearby objects data